This antique copper-plated brass end cap ring has a 3mm hole size for finishing thick stringing material. With its antique finish, it will add a weathered look. Try this end cap ring with micro-fiber suede cord or braided leather for an easy way to attach a clasp or jump ring. For a strong hold, be sure to use this end cap with glue. You can get this end cap ring for your next design or browse for other helpful crimp tubes and covers in our selection. These are usually used in pairs, so make sure to buy two.